<template>
  <el-upload
    class="avatar-uploader"
    action="#"
    :show-file-list="false"
    :http-request="upload"
  >
    <img v-if="value" :src="value" class="avatar">
    <i v-else class="el-icon-plus avatar-uploader-icon" />
    <el-progress v-show="showProgress" :text-inside="true" :stroke-width="13" :percentage="percent" />
  </el-upload>

</template>

<script>
// 下面的代码是固定写法
const COS = require('cos-js-sdk-v5')
// 填写自己腾讯云cos中的key和id (密钥)
const cos = new COS({
  SecretId: 'AKIDZ9i8YqxscCYfYEgx23ua3KOEqGbUCh17', // 身份识别ID
  SecretKey: 'yiFYcR1PZU9ZptjT9oJbgdOvDJBrMfnk' // 身份秘钥
})
export default {
  props: { value: { type: String, required: true }},
  data() {
    return {
      imageUrl: '',
      percent: 0,
      showProgress: false
    }
  },
  methods: {
    upload(res) {
      this.showProgress = true
      console.log(res)
      cos.putObject(
        {
          Bucket: 'qwq-1312673608' /* 存储桶 */,
          Region: 'ap-nanjing' /* 存储桶所在地域，必须字段 */,
          Key: res.file.name /* 文件名 */,
          StorageClass: 'STANDARD', // 上传模式, 标准模式
          Body: res.file, // 上传文件对象
          onProgress: (progressData) => {
            console.log('上传文件进度.....', JSON.stringify(progressData))
            this.percent = progressData.percent * 100
          }
        },
        (err, data) => {
          console.log(err || data)
          // 上传成功之后
          if (data.statusCode === 200) {
            // this.imageUrl = `https:${data.Location}`
            // this.$emit('input', this.imageUrl)
            this.$emit('input', `https:${data.Location}`)
          }
          this.showProgress = false
        }
      )
    }
    // :before-upload="beforeAvatarUpload"
    // beforeAvatarUpload(file) {
    //   const isJPG = file.type === 'image/jpeg'
    //   const isLt2M = file.size / 1024 / 1024 < 2

    //   if (!isJPG) {
    //     this.$message.error('上传头像图片只能是 JPG 格式!')
    //   }
    //   if (!isLt2M) {
    //     this.$message.error('上传头像图片大小不能超过 2MB!')
    //   }
    //   return isJPG && isLt2M
    // }
  }
}
</script>

<style>
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.avatar-uploader .el-upload:hover {
  border-color: #409eff;
}
.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  line-height: 178px !important;
  text-align: center;
}
.avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>
